/*
This software is subject to the license described in the license.txt file
included with this software distribution. You may not use this file except in compliance
with this license.

Copyright (c) Dynastream Innovations Inc. 2012
All rights reserved.
*/

/**@file
 * @defgroup ant_sdm_tx_example ANT SDM TX example
 * @{
 * @ingroup nrf_ant_sdm
 *
 * @brief Example of ANT SDM TX Profile.
 */

#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include "app_error.h"
#include "nrf.h"
#include "nrf_soc.h"
#include "nrf_sdm.h"
#include "bsp.h"
#include "app_timer.h"
#include "nordic_common.h"
#include "softdevice_handler.h"
#include "ant_sdm.h"
#include "app_trace.h"
#include "ant_key_manager.h"
#include "ant_state_indicator.h"
#include "ant_sdm_simulator.h"

#ifndef MODIFICATION_TYPE // can be provided as preprocesor global symbol
/**
 * @brief Depending on this define value, the cadence value will: @n
 *          - periodically rise and fall, use value  MODIFICATION_TYPE_AUTO
 *          - change after button press, use value   MODIFICATION_TYPE_BUTTON
 */
    #define MODIFICATION_TYPE (MODIFICATION_TYPE_AUTO)
#endif

#define MODIFICATION_TYPE_BUTTON 0 /* predefined value, MUST REMAIN UNCHANGED */
#define MODIFICATION_TYPE_AUTO   1 /* predefined value, MUST REMAIN UNCHANGED */

#if (MODIFICATION_TYPE != MODIFICATION_TYPE_BUTTON) \
    && (MODIFICATION_TYPE != MODIFICATION_TYPE_AUTO)
    #error Unsupported value of MODIFICATION_TYPE.
#endif

#define APP_TIMER_PRESCALER     0x00 /**< Value of the RTC1 PRESCALER register. */
#define APP_TIMER_OP_QUEUE_SIZE 0x04 /**< Size of timer operation queues. */

#define SDM_CHANNEL_NUMBER      0x00 /**< Channel number assigned to SDM Profile. */

#define SDM_DEVICE_NUMBER       0x01 /**< Denotes the used ANT device number. */
#define SDM_TRANSMISSION_TYPE   0x05 /**< Denotes the used ANT transmission type. */

#define HW_REVISION             0x7Fu   /**< Hardware revision for manufacturer's identification common page. */
#define MANUFACTURER_ID         0xAAAAu /**< Manufacturer ID for manufacturer's identification common page. */
#define MODEL_NUMBER            0x5555u /**< Model number for manufacturer's identification common page. */

#define SW_REVISION_MAJOR       0xAAu       /**< Software revision major number for product information common page. */
#define SW_REVISION_MINOR       0xFFu       /**< Software revision minor number for product information common page, unused value. */
#define SERIAL_NUMBER           0xAA55AA55u /**< Serial number for product information common page. */

#define SIMULATOR_STRIDE_LEN    75  /**< Length of one stride. */
#define SIMULATOR_BURN_RATE     62  /**< Calories burn rate. */
#define SIMULATOR_MIN           60  /**< Minimal cadence. */
#define SIMULATOR_MAX           120 /**< Maximal cadence. */
#define SIMULATOR_INCR          1   /**< Cadence increment. */

#define ANTPLUS_NETWORK_NUMBER  0x00 /**< Network number. */

/** @snippet [ANT SDM TX Instance] */
void ant_sdm_evt_handler(ant_sdm_profile_t * p_profile, ant_sdm_evt_t event);

SDM_SENS_CHANNEL_CONFIG_DEF(m_ant_sdm,
                            SDM_CHANNEL_NUMBER,
                            SDM_TRANSMISSION_TYPE,
                            SDM_DEVICE_NUMBER,
                            ANTPLUS_NETWORK_NUMBER);
SDM_SENS_PROFILE_CONFIG_DEF(m_ant_sdm,
                            ANT_SDM_PAGE_2,
                            ant_sdm_evt_handler);

static ant_sdm_profile_t m_ant_sdm;
/** @snippet [ANT SDM TX Instance] */

static ant_sdm_simulator_t m_ant_sdm_simulator;    /**< Simulator used to simulate cadence. */


#if MODIFICATION_TYPE == MODIFICATION_TYPE_BUTTON
/**@brief Function for handling bsp events.
 */
/** @snippet [ANT SDM simulator button] */
void bsp_evt_handler(bsp_event_t evt)
{
    switch (evt)
    {
        case BSP_EVENT_KEY_0:
            ant_sdm_simulator_increment(&m_ant_sdm_simulator);
            break;

        case BSP_EVENT_KEY_1:
            ant_sdm_simulator_decrement(&m_ant_sdm_simulator);
            break;

        default:
            return; // no implementation needed
    }
}
/** @snippet [ANT SDM simulator button] */
#endif // MODIFICATION_TYPE == MODIFICATION_TYPE_BUTTON


/**@brief Function for dispatching an ANT stack event to all modules with an ANT stack event handler.
 *
 * @details This function is called from the ANT stack event interrupt handler after an ANT stack
 *          event has been received.
 *
 * @param[in] p_ant_evt  ANT stack event.
 */
void ant_evt_dispatch(ant_evt_t * p_ant_evt)
{
    ant_sdm_sens_evt_handler(&m_ant_sdm, p_ant_evt);
    ant_state_indicator_evt_handler(p_ant_evt);
}


/**@brief Function for the timer, tracer, and BSP initialization.
 */
static void utils_setup(void)
{
    uint32_t err_code;

    app_trace_init();
    APP_TIMER_INIT(APP_TIMER_PRESCALER, APP_TIMER_OP_QUEUE_SIZE, false);

#if MODIFICATION_TYPE == MODIFICATION_TYPE_AUTO
    err_code = bsp_init(BSP_INIT_LED, APP_TIMER_TICKS(100, APP_TIMER_PRESCALER), NULL);
#else
    err_code = bsp_init(BSP_INIT_LED | BSP_INIT_BUTTONS,
                        APP_TIMER_TICKS(100, APP_TIMER_PRESCALER),
                        bsp_evt_handler);
#endif
    APP_ERROR_CHECK(err_code);
}


/**@brief Function for the SDM simulator initialization.
 */
static void simulator_setup(void)
{
    /** @snippet [ANT SDM simulator init] */
    const ant_sdm_simulator_cfg_t simulator_cfg = DEFAULT_ANT_SDM_SIMULATOR_CFG(&m_ant_sdm,
                                                                                SIMULATOR_STRIDE_LEN,
                                                                                SIMULATOR_BURN_RATE,
                                                                                SIMULATOR_MIN,
                                                                                SIMULATOR_MAX,
                                                                                SIMULATOR_INCR);

    /** @snippet [ANT SDM simulator init] */

#if MODIFICATION_TYPE == MODIFICATION_TYPE_AUTO
    /** @snippet [ANT SDM simulator auto init] */
    ant_sdm_simulator_init(&m_ant_sdm_simulator, &simulator_cfg, true);
    /** @snippet [ANT SDM simulator auto init] */
#else
    /** @snippet [ANT SDM simulator button init] */
    ant_sdm_simulator_init(&m_ant_sdm_simulator, &simulator_cfg, false);
    /** @snippet [ANT SDM simulator button init] */
#endif
}


/**@brief Function for ANT stack initialization.
 *
 * @details Initializes the SoftDevice and the ANT event interrupt.
 */
static void softdevice_setup(void)
{
    uint32_t err_code;

    err_code = softdevice_ant_evt_handler_set(ant_evt_dispatch);
    APP_ERROR_CHECK(err_code);

    err_code = softdevice_handler_init(NRF_CLOCK_LFCLKSRC, NULL, 0, NULL);
    APP_ERROR_CHECK(err_code);

    err_code = ant_plus_key_set(ANTPLUS_NETWORK_NUMBER);
    APP_ERROR_CHECK(err_code);
}


/**@brief Function for handling ANT SDM events.
 */
/** @snippet [ANT SDM simulator call] */
void ant_sdm_evt_handler(ant_sdm_profile_t * p_profile, ant_sdm_evt_t event)
{
    switch (event)
    {
        case ANT_SDM_PAGE_1_UPDATED:
        /* fall through */
        case ANT_SDM_PAGE_2_UPDATED:
        /* fall through */
        case ANT_SDM_PAGE_3_UPDATED:
        /* fall through */
        case ANT_SDM_PAGE_16_UPDATED:
        /* fall through */
        case ANT_SDM_PAGE_22_UPDATED:
        /* fall through */
        case ANT_SDM_PAGE_80_UPDATED:
        /* fall through */
        case ANT_SDM_PAGE_81_UPDATED:
            ant_sdm_simulator_one_iteration(&m_ant_sdm_simulator);
            break;

        default:
            break;
    }
}


/** @snippet [ANT SDM simulator call] */


/**@brief Function for SDM Profile initialization.
 *
 * @details Initializes the SDM Profile and opens the ANT channel.
 */
static void profile_setup(void)
{
/** @snippet [ANT SDM TX Profile Setup] */
    uint32_t err_code;

    err_code = ant_sdm_sens_init(&m_ant_sdm,
                                 SDM_SENS_CHANNEL_CONFIG(m_ant_sdm),
                                 SDM_SENS_PROFILE_CONFIG(m_ant_sdm));
    APP_ERROR_CHECK(err_code);

    // fill manufacturer's common data page.
    m_ant_sdm.page_80 = ANT_COMMON_page80(HW_REVISION,
                                          MANUFACTURER_ID,
                                          MODEL_NUMBER);
    // fill product's common data page.
    m_ant_sdm.page_81 = ANT_COMMON_page81(SW_REVISION_MAJOR,
                                          SW_REVISION_MINOR,
                                          SERIAL_NUMBER);

    // fill capabilities.
    m_ant_sdm.SDM_PROFILE_capabilities.cadency_is_valid  = true;
    m_ant_sdm.SDM_PROFILE_capabilities.speed_is_valid    = true;
    m_ant_sdm.SDM_PROFILE_capabilities.calorie_is_valid  = true;
    m_ant_sdm.SDM_PROFILE_capabilities.time_is_valid     = true;
    m_ant_sdm.SDM_PROFILE_capabilities.latency_is_valid  = true;
    m_ant_sdm.SDM_PROFILE_capabilities.distance_is_valid = true;

    // fill status.
    m_ant_sdm.SDM_PROFILE_status.state    = ANT_SDM_USE_STATE_ACTIVE;
    m_ant_sdm.SDM_PROFILE_status.health   = ANT_SDM_HEALTH_OK;
    m_ant_sdm.SDM_PROFILE_status.battery  = ANT_SDM_BATTERY_STATUS_GOOD;
    m_ant_sdm.SDM_PROFILE_status.location = ANT_SDM_LOCATION_ANKLE;

    err_code = ant_sdm_sens_open(&m_ant_sdm);
    APP_ERROR_CHECK(err_code);

    err_code = ant_state_indicator_channel_opened();
    APP_ERROR_CHECK(err_code);
/** @snippet [ANT SDM TX Profile Setup] */
}


/**@brief Function for application main entry, does not return.
 */
int main(void)
{
    uint32_t err_code;

    utils_setup();
    softdevice_setup();
    ant_state_indicator_init(m_ant_sdm.channel_number, SDM_SENS_CHANNEL_TYPE);
    simulator_setup();
    profile_setup();

    for (;; )
    {
        err_code = sd_app_evt_wait();
        APP_ERROR_CHECK(err_code);
    }
}


/**
 *@}
 **/
